Search a number
-
+
12989101200 = 2435210824251
BaseRepresentation
bin11000001100011010…
…11111010010010000
31020112020021201010020
430012031133102100
5203100202214300
65544521303440
7636611352465
oct140615372220
936466251106
1012989101200
115566010a89
122626034b80
1312c0056cca
148b312d66c
155104ec8a0
hex30635f490

12989101200 has 60 divisors (see below), whose sum is σ = 41608424688. Its totient is φ = 3463760000.

The previous prime is 12989101187. The next prime is 12989101201. The reversal of 12989101200 is 210198921.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12989101201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5410926 + ... + 5413325.

Almost surely, 212989101200 is an apocalyptic number.

12989101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12989101200 is an abundant number, since it is smaller than the sum of its proper divisors (28619323488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12989101200 is a wasteful number, since it uses less digits than its factorization.

12989101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824272 (or 10824261 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 12989101200 in words is "twelve billion, nine hundred eighty-nine million, one hundred one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 10824251 21648502 32472753 43297004 54121255 64945506 86594008 108242510 129891012 162363765 173188016 216485020 259782024 270606275 324727530 432970040 519564048 541212550 649455060 811818825 865940080 1082425100 1298910120 1623637650 2164850200 2597820240 3247275300 4329700400 6494550600 12989101200